In just a few hours, Lil Wayne will start serving a year-long prison sentence for a criminal weapons possession charge. While the media speculates about the treatment the 27-year-old rap megastar will receive in jail, we have to wonder: How's the time behind bars going to affect the career of the prolific artist, who recorded his first hit at age 15 and released the bestselling album of 2008, 'Tha Carter III'?